Cremona's table of elliptic curves

620 = 2² · 5 · 31

Field	Data	Notes
Atkin-Lehner	2- 5- 31+	Signs for the Atkin-Lehner involutions
Class	620b	Isogeny class
Conductor	620	Conductor
∏ cp	30	Product of Tamagawa factors cp
Δ	77500000000 = 28 · 510 · 31	Discriminant
Eigenvalues	2-  0 5- -2 -4 -4  0  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-1207,9006]	[a1,a2,a3,a4,a6]
Generators	[-13:150:1]	Generators of the group modulo torsion
j	759636032976/302734375	j-invariant
L	2.051852494783	L(r)(E,1)/r!
Ω	0.9873795522315	Real period
R	0.27707717059711	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	2480n2 9920a2 5580d2 3100a2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 620b2

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
-	0	-	-2	-4	-4	0	0	-4	2	+	8	6	-8	-6	-8	4	2	-2	0	-4	0	-8	6	-2

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Quadratic twists for elliptic curve 620b2

-4	8	-3	5	-7	-11	13	-31
2480n2	9920a2	5580d2	3100a2	30380b2	75020b2	104780h2	19220c2

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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